https://www.imf.org/external/pubs/ft/fandd/2020/06/long-term-economic-impact-of-pandemics-jorda.htm
https://theconversation.com/dividendos-noticias-financieras-y-sentimientos-un-trio-que-ayuda-a-predecir-el-valor-de-mercado-de-una-empresa-225500
https://www.bertelsmann-stiftung.de/fileadmin/files/BSt/Publikationen/GrauePublikationen/WKIO_2020_final.pdf?utm_source=POLITICO.EU&utm_campaign=15a7cc1e87-EMAIL_CAMPAIGN_2020_04_08_08_59&utm_medium=email&utm_term=0_10959edeb5-15a7cc1e87-190380769
https://www.cps.org.uk/files/reports/original/201001000814-CPSUPWARDLYMOBILE2.pdf